As

|

FAST NEUTRONS
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H= [8 7]

PERCENTAGE LIFE SPAN SHORTENING

N= [N 3]

X- RND GAMMA~RAYS

PERCENTAGE LIFE SPAN SHORTENING

E= [& 2]

T=

FAST NEUTRONS <MONOEN, + F15S5/0N)

[M7]

DURAT JON-OF-LIFE EXPOSURE

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|

4

M

MICE (MALE + FEMALE)

3

H

S

5 5

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S

5

7S 7

G
T

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G

5

5

N

4 L

M

Mm
S

G

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5

oT

E

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°

S

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5

5
L

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a:

X- FIND GAMMA-RAYS
5

5

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q

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DOSE

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L=

[L 6]

M=

(™ 7]

G=

[G5]

S=

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Figure X.

The relattonships between the total acewmlated doses of fast neutrons and lowLET radvattons tn the mouse, following exposure for the duratton-of-life.
Vartous expertments.

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